Add Monitoring quickstart sample.

monitoring/cloud-client/README.md

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+# Getting Started with Google Stackdriver Monitoring API and the Google Cloud Client libraries
+
+[Google Stackdriver Monitoring API][monitoring] collects metrics, events, and
+metadata from Google Cloud Platform, Amazon Web Services (AWS), hosted uptime
+probes, application instrumentation, and a variety of common application
+components including Cassandra, Nginx, Apache Web Server, Elasticsearch and many
+others.
+
+These sample Java applications demonstrate how to access the Stackdriver
+Monitoring API using the [Google Cloud Client Library for Java][google-cloud-java].
+
+[monitoring]: https://cloud.google.com/monitoring/docs/
+[google-cloud-java]: https://github.com/GoogleCloudPlatform/google-cloud-java
+
+## Quickstart
+
+Install [Maven](http://maven.apache.org/).
+
+Build your project with:
+
+	mvn clean package -DskipTests
+
+You can then run a given `ClassName` via:
+
+	mvn exec:java -Dexec.mainClass=com.example.monitoring.ClassName \
+	    -DpropertyName=propertyValue \
+		-Dexec.args="arg1 'arg 2' arg3"
+
+### Analyze a string for sentiment (using the quickstart sample)
+
+    mvn exec:java -Dexec.mainClass=com.example.monitoring.QuickstartSample \
+        -DprojectId=YOUR_PROJECT_ID

monitoring/cloud-client/pom.xml

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+<!--
+  Copyright 2017, Google Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.example.monitoring</groupId>
+  <artifactId>monitoring-google-cloud-samples</artifactId>
+  <packaging>jar</packaging>
+
+  <!-- Parent defines config for testing & linting. -->
+  <parent>
+    <artifactId>doc-samples</artifactId>
+    <groupId>com.google.cloud</groupId>
+    <version>1.0.0</version>
+    <relativePath>../..</relativePath>
+  </parent>
+
+  <properties>
+    <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>com.google.cloud</groupId>
+      <artifactId>google-cloud-monitoring</artifactId>
+      <version>0.8.1-alpha</version>
+    </dependency>
+
+    <!-- Test dependencies -->
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.truth</groupId>
+      <artifactId>truth</artifactId>
+      <version>0.31</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>

monitoring/cloud-client/src/main/java/com/example/monitoring/QuickstartSample.java

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+/*
+  Copyright 2017, Google, Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+package com.example.monitoring;
+
+// [START monitoring_quickstart]
+// Imports the Google Cloud client library
+import com.google.cloud.monitoring.spi.v3.MetricServiceClient;
+
+import com.google.api.Metric;
+import com.google.api.MonitoredResource;
+import com.google.monitoring.v3.CreateTimeSeriesRequest;
+import com.google.monitoring.v3.Point;
+import com.google.monitoring.v3.ProjectName;
+import com.google.monitoring.v3.TimeInterval;
+import com.google.monitoring.v3.TimeSeries;
+import com.google.monitoring.v3.TypedValue;
+import com.google.protobuf.util.Timestamps;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class QuickstartSample {
+  private static final String LEGACY_PROJECT_ENV_NAME = "GCLOUD_PROJECT";
+  private static final String PROJECT_ENV_NAME = "GOOGLE_CLOUD_PROJECT";
+
+  private static String getProjectId() {
+    String projectId = System.getProperty(PROJECT_ENV_NAME, System.getenv(PROJECT_ENV_NAME));
+    if (projectId == null) {
+      projectId = System.getProperty(LEGACY_PROJECT_ENV_NAME, System.getenv(LEGACY_PROJECT_ENV_NAME));
+    }
+    return projectId;
+  }
+
+  public static void main(String... args) throws Exception {
+    // Your Google Cloud Platform project ID
+    String projectId = System.getProperty("projectId");
+
+    if (projectId == null) {
+      System.err.println("Usage: QuickstartSample -DprojectId=YOUR_PROJECT_ID");
+      return;
+    }
+
+    // Instantiates a client
+    MetricServiceClient metricServiceClient = MetricServiceClient.create();
+
+    // Prepares an individual data point
+    TimeInterval interval = TimeInterval.newBuilder()
+      .setEndTime(Timestamps.fromMillis(System.currentTimeMillis()))
+      .build();
+    TypedValue value = TypedValue.newBuilder()
+      .setDoubleValue(123.45)
+      .build();
+    Point point = Point.newBuilder()
+      .setInterval(interval)
+      .setValue(value)
+      .build();
+
+    List<Point> pointList = new ArrayList<>();
+    pointList.add(point);
+
+    ProjectName name = ProjectName.create(projectId);
+
+    // Prepares the metric descriptor
+    Map<String, String> metricLabels = new HashMap<String, String>();
+    metricLabels.put("store_id", "Pittsburg");
+    Metric metric = Metric.newBuilder()
+      .setType("custom.googleapis.com/stores/daily_sales")
+      .putAllLabels(metricLabels)
+      .build();
+
+    // Prepares the monitored resource descriptor
+    Map<String, String> resourceLabels = new HashMap<String, String>();
+    resourceLabels.put("project_id", projectId);
+    MonitoredResource resource = MonitoredResource.newBuilder()
+      .setType("global")
+      .putAllLabels(resourceLabels)
+      .build();
+
+    // Prepares the time series request
+    TimeSeries timeSeries = TimeSeries.newBuilder()
+      .setMetric(metric)
+      .setResource(resource)
+      .addAllPoints(pointList)
+      .build();
+    List<TimeSeries> timeSeriesList = new ArrayList<>();
+    timeSeriesList.add(timeSeries);
+
+    CreateTimeSeriesRequest request = CreateTimeSeriesRequest.newBuilder()
+      .setNameWithProjectName(name)
+      .addAllTimeSeries(timeSeriesList)
+      .build();
+
+    // Writes time series data
+    metricServiceClient.createTimeSeries(request);
+
+    System.out.printf("Done writing time series data.%n");
+
+    metricServiceClient.close();
+  }
+}
+// [END monitoring_quickstart]

monitoring/cloud-client/src/test/java/com/example/monitoring/QuickstartSampleIT.java

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+/*
+  Copyright 2016, Google, Inc.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+package com.example.monitoring;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
+/**
+ * Tests for quickstart sample.
+ */
+@RunWith(JUnit4.class)
+@SuppressWarnings("checkstyle:abbreviationaswordinname")
+public class QuickstartSampleIT {
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+
+  @Before
+  public void setUp() {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    System.setOut(out);
+  }
+
+  @After
+  public void tearDown() {
+    System.setOut(null);
+  }
+
+  @Test
+  public void testQuickstart() throws Exception {
+    // Act
+    QuickstartSample.main();
+
+    // Assert
+    String got = bout.toString();
+    assertThat(got).contains("Done writing time series data.");
+  }
+}